Key hanger



FIG. 1 is an isometric view showing the top, front and first side of the design of my invention;

FIG. 2 is an isometric view showing the interior of the key hanger design, as it appears when open;

FIG. 3 is an isometric view showing the top, front and second side of my invention;

FIG. 4 is an isometric view showing the top, front and first side of my invention,

FIG. 5 is an isometric view showing the exterior of the key hanger design, as it appears when open; and,

FIG. 6 is a top plan view of my invention. 

The ornamental design for a key hanger, substantially as shown and described. 